111020012210011 has 4 divisors (see below), whose sum is σ = 116863170747400. Its totient is φ = 105176853672624.

The previous prime is 111020012209949. The next prime is 111020012210077. The reversal of 111020012210011 is 110012210020111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111020012210011 - 2¹⁷ = 111020012078939 is a prime.

It is a super-2 number, since 2×111020012210011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111020012209973 and 111020012210000.

It is not an unprimeable number, because it can be changed into a prime (111020712210011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921579268666 + ... + 2921579268703.

It is an arithmetic number, because the mean of its divisors is an integer number (29215792686850).

Almost surely, 2^{111020012210011} is an apocalyptic number.

111020012210011 is a deficient number, since it is larger than the sum of its proper divisors (5843158537389).

111020012210011 is an equidigital number, since it uses as much as digits as its factorization.

111020012210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843158537388.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111020012210011 its reverse (110012210020111), we get a palindrome (221032222230122).

The spelling of 111020012210011 in words is "one hundred eleven trillion, twenty billion, twelve million, two hundred ten thousand, eleven".